Sasako Risa (笹子 理紗, February 13th, 1986 - September 2022) was an instructor at the ANA Intercontinental Tokyo Go Salon and Waseda University Go Club alumni. She had many achievements at various tournaments.
- 2000: 4th place at the U15 championship. Note that Mukai Chiaki was 5th place ( Results).
- 2001: Semi-finalist at the High School Championship (HSC) ( Results).
- 2002: 6th place at the HSC ( Results).
- 2003: Finalist at the HSC ( Results). Note that Shimosaka Miori was the winner.
- 2004: 4th place at the All Japan Female Amateur Championship (AJFAC). Note that Shimosaka Miori was the winner.
- 2005: 3rd place at the Female Student Honinbo (FSH). Note that Aragaki Miki was the winner.
- 2006: Champion at the FSH ( Results)
- 2010: Semi-finalist at the AJFAC with Oda Ayako